Which of the following led China to make contact with other cultures?

A. The Chinese Empire fell into great poverty
B. The Chinese Empire became very prosperous and looked to trade
C. The Chinese developed a powerful army
D. The Chinese Empire was invaded by other groups

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work